diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index 58caef8..4cd3f1e 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -1,25 +1,45 @@
-name: Upload coverage reports to Codecov
+name: Main workflow
 
 on:
   push:
+    paths-ignore:
+      - '**.md'
     branches:
+      - dev
       - main
 
 jobs:
-  build:
+  tests:
     runs-on: ubuntu-latest
+
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Run tests with coverage
-        run: |
-          pip install coverage
-          coverage run -m unittest discover
-          coverage report -m
-
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4.0.1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          slug: CRM-for-Yandex-ambassadors/backend
+    - name: Check out code
+      uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.11
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8==6.1.0 flake8-isort==6.0.0 black==24.2.0
+
+    - name: Check with flake8
+      run: python -m flake8 backend/crm_yandex/
+
+    - name: Check with black
+      run: black --check backend/crm_yandex/
+
+    - name: Run tests with coverage
+      run: |
+        pip install coverage
+        coverage run -m unittest discover
+        coverage report -m
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4.0.1
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        slug: CRM-for-Yandex-ambassadors/backend
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1cc3b80..8d993ae 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,12 +1,12 @@
 repos:
 -   repo: https://github.com/commitizen-tools/commitizen
-    rev: 3.5.3
+    rev: 3.6.0
     hooks:
     -   id: commitizen
         stages: [commit-msg]
 
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer
@@ -15,14 +15,8 @@ repos:
     -   id: check-merge-conflict
     -   id: check-json
 
--   repo: https://github.com/commitizen-tools/commitizen
-    rev: 3.6.0
-    hooks:
-    -   id: commitizen
-        stages: [commit-msg]
-
 -   repo: https://github.com/pycqa/isort
-    rev: 5.12.0
+    rev: 5.13.2
     hooks:
     -   id: isort
         exclude: (migrations)
@@ -32,7 +26,7 @@ repos:
     rev: 6.1.0
     hooks:
     -   id: flake8
-        exclude: (apps|__init__|migrations|backend/demand_oracle/demand_oracle/settings/)
+        exclude: (apps|__init__|migrations|backend/crm_yandex/crm_yandex/settings/)
         additional_dependencies:
         - flake8-docstrings
         args:
@@ -40,8 +34,8 @@ repos:
         -  --ignore=D100, D105, D106
 
 -   repo: https://github.com/ambv/black
-    rev: 23.7.0
+    rev: 24.2.0
     hooks:
     -   id: black
-        exclude: (migrations|backend/demand_oracle/demand_oracle/settings/)
+        exclude: (__init__|migrations|backend/crm_yandex/crm_yandex/settings/)
         args: [--line-length=88]
diff --git a/setup.cfg b/setup.cfg
index 2752c3b..b21832d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,9 @@ exclude =
     tests/,
     */migrations/,
     venv/,
-    env/
+    */venv/,
+    env/,
+    */env/
 per-file-ignores =
     */settings.py:E501
 max-complexity = 10